Nitrogen

Nitrogen is a colourless, odourless, non-toxic, almost totally inert gas comprising approximately 79% by volume of air. It is nonflammable and will not support combustion. Nitrogen is supplied in cylinders as a high-pressure gas, or in insulated containers as a liquid.

Afrox MSDS no. 994-306

USES AND FEATURES OF NITROGEN

The many uses for gaseous nitrogen include:

Flow testing

Gauge calibration

Plastic forming

Aerosol propellant

Powering air tools

Mechanical agitation in photo processing

Metal degassing

Pipeline testing

Pressure testing cables

Handling and transfer of flammable liquids

To prevent the undesirable presence of oxygen, nitrogen is valuable in:

Furnaces

Metal plating and tinning

Chemical processing

Food packing

Wine making

Paint and varnish manufacture

Tube manufacture

Packaging

Preserving rubber products and optics

Dry nitrogen gas is used as a purging medium in:

Drying refrigeration systems

Catalytic towers in refineries

Chemical processing

Electronic tube and light bulb manufacture

Wherever moisture may not be tolerated, dry nitrogen is the preferred grade.